Home / 8,387,043.54-12,562,124.82-6,931,227.54

Finding the Fourth Proportional to 8,387,043.54, 12,562,124.82 and 6,931,227.54

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Solution

The fourth proportional to 8,387,043.54, 12,562,124.82 and 6,931,227.54 is: 10,381,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387,043.54 : 12,562,124.82 = 6,931,227.54 : x
  2. Step 2: Convert to fraction form
    8,387,043.54/12,562,124.82 = 6,931,227.54/x
  3. Step 3: Cross multiply
    8,387,043.54x = 12,562,124.82 × 6,931,227.54
  4. Step 4: Simplify right side
    8,387,043.54x = 87,070,945,513,301.55
  5. Step 5: Solve for x
    x = 87,070,945,513,301.55/8,387,043.54
  6. Step 6: Final answer
    x = 10,381,601.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.